NI-VXI Software Installation and Configuration
Chapter 3
VXI-AT2023/NI-VXI ISC 386/ix Getting Started
3-6
© National Instruments Corporation
Logical Address Configuration
Table 3-1 describes the characteristics of the options available under the Logical Address
Configuration menu.
Table 3-1. Logical Address Configuration Characteristics
Characteristic
Description
Default Value
AT-MXI Base I/O
Indicates the I/O Address of the AT-MXI
Address
configuration registers. This value must
correspond to the selected jumper settings
on the board.
Range = 100h to 3E0h in increments of
20h (hex)
0x340
Master Window Base
A 64 kilobyte memory-mapped I/O window,
which the AT-MXI board uses to access
the VXIbus.
Range = A000h to E000h in increments of
1000h (hex)
0xD000
Address Space
Indicates the address spaces used by the
AT-MXI.
0 = A16/A24
3 = A16 only
3
Master DMA Channel
Indicates the DMA channel that the AT-MXI
uses to perform master-mode block transfers
onto the VXIbus. This value must correspond
to the jumper settings on the AT-MXI board.
You can select the NONE option with any
setting.
Range = 0, 1, 2, 3, 5, 6, 7, 0xff (NONE)
6
AT-MXI Board Interrupt
Indicates the interrupt level used by the board
Level
to interrupt the processor. This value must
correspond to the jumper settings on the
AT-MXI board.
Range = 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15
12
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